Home / 51,691.97-71,350.39-30,187.52

Finding the Fourth Proportional to 51,691.97, 71,350.39 and 30,187.52

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Solution

The fourth proportional to 51,691.97, 71,350.39 and 30,187.52 is: 41,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,691.97 : 71,350.39 = 30,187.52 : x
  2. Step 2: Convert to fraction form
    51,691.97/71,350.39 = 30,187.52/x
  3. Step 3: Cross multiply
    51,691.97x = 71,350.39 × 30,187.52
  4. Step 4: Simplify right side
    51,691.97x = 2,153,890,817.44
  5. Step 5: Solve for x
    x = 2,153,890,817.44/51,691.97
  6. Step 6: Final answer
    x = 41,667.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.